Ward Cunningham is renowned for his groundbreaking development of the first Wiki, which is a free encyclopedia on the Internet. A Wiki is a collaborative website that allows users to create, edit, and link content easily. It encourages open participation and collaboration, enabling multiple individuals to contribute their knowledge and expertise.

Option 2, stating that Ward Cunningham developed the computer language called Java, is incorrect. Java was created by James Gosling, Patrick Naughton, and Mike Sheridan at Sun Microsystems in the mid-1990s.

Option 3, mentioning that Ward Cunningham developed a digital camera, is also incorrect. The invention of the digital camera is credited to a team of engineers at Eastman Kodak Company, led by Steve Sasson, in the 1970s.

Option 4, suggesting that Ward Cunningham created a software that can take Hebrew language as input, is unrelated to his notable contributions. There is no evidence to support this claim.

In conclusion, Ward Cunningham`s most significant achievement is the development of the first Wiki, an online encyclopedia that revolutionized the way information is created, shared, and accessed on the internet.